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Guest Message by DevFuse

Get you C-MAX Energi Registered in the official Ford Authorized Registry. More here.

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57000 miles and wrench light and error codeP0a81 hybrid battery fan circuit

hybrid battery fan

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1 reply to this topic

#1 OFFLINE   Brian Hoeffling

Brian Hoeffling

    New Member

  • C-MAX Energi Facebook
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  • Region:U.S. Great Lakes
  • Locationandover mn 55304
  • My C-MAX:2013
  • Current Vehicle:2013 cmax energi hybrid

Posted 03 October 2016 - 01:56 PM

My wrench light and error code P0A81 for hybrid battery fan circuit open came on  and no EV operation now Help!


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#2 OFFLINE   jdbob


    Techo Geek

  • C-MAX Energi Member
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  • 610 posts
  • Region:U.S. Pacific Coast
  • LocationJohn Day, Oregon
  • My C-MAX:2013
  • Current Vehicle:2013 C-Max Energi

Posted 03 October 2016 - 03:16 PM

The tests involve taking a look at a couple of connectors and tracing voltages, probably best to take it to a dealer. The only items I saw that you could easily check is Fuse 18 (15 Amp) in the Rear Junction Box.

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